Portion of a shoe bottom



FIG. 1 is a perspective view of the portion of a shoe bottom showing mynew design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken lines shown along the edges, form the boundary of the design,and form no part of the claim.

The ornamental design for a portion of a shoe bottom, as shown and described. 